LG GSA-4165B 사용자 설명서
57
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Pin Functions
pin Name
pin No. Type
max. voltage
Function
TE
1
Analog-Output
Tracking error output terminal
FE
2
Analog-Output
Focus error output terimnal
PE
3
Analog-Output
PE output terminal
LE
4
Analog-Output
Lens error output terminal
BCENT
5
Analog-Output
OPC center signal output terminal
PHBETA/TCE
6
Analog-Output
OPC top hold level signal and APC write sampleing
signal output terminal/tilt servo detecting output terminal
BHBETA/TIE
7
Analog-Output
OPC bottom hold level signal and R-OPC sampleing
signal output terminal/tilt servo detecting output terminal
VCC2
8
Power
Power supply connected terminal(5V)
FVREF
9
Analog-Input
VDD
Reference voltage for APC input terminal
FMD
10
Analog-Input
VDD
APC monitor diode input terminal
VDD3
11
Power
Power supply connected terminal(3.3V)
LDOUT
12
Analog-Output
Terminal to control laser drivers for APC read system
VRDC3N
13
External-components required
Terminal to connect laser driver control filters for APC
read
VRDC2N/PWRMON
14
External-components required
Terminal to connect laser driver control filters for APC
read/ SH monitor output terminal
VRDCN
15
External-components required
Terminal to connect laser driver control filters for APC
read
VRDC
16
External-components required
Terminal to connect laser driver control filters for APC
read
GND3
17
Ground
Ground connected terminal
WAG1
18
External-capacitor required
Terminal to connect WOBBLE AGC detector capacitor
WAG2
19
External-capacitor required
WAG3
20
External-capacitor required
WOBFCF
21
External-capacitor required
WOB-BPF f0 auto-adjustment external capacitor
connected terminal
VDD5
22
Power
Power supply connected terminal(3.3V)
ATEST
23
Analog-Output
Renesas analog test signal output terminal
AWOBSIG
24
Analog-Output
Analog-level WOBBLE signal output terminal
GND5
25
Ground
Ground connected terminal
LNDTRK
26
Digital-Inputpull-up
VDD
Balans adjustment mode selection
SPBLVL/TISH2
27
Digital-Inputpull-up
VDD
R-OPC WRF signal sampling pulse input terminal
/Tilt servo detecting sampling pulse input terminal
RFPDSH
28
Digital-Input
putpull-up
VDD
APC read system sampling pulse input terminal
WFPDSH
29
Digital-Input
putpull-up
VDD
APC write system sampling pulse input terminal
MPDSH/SPDSH
30
Digital-Input
putpull-up
VDD
Pickup input sampling pulse input terminal
WBLSH
31
Digital-Input
putpull-up
VDD
WOBBLE sampling pulse input terminal
WGATE
32
Digital-Input
putpull-up
VDD
Read/write control input terminal
RFHLD/TISH1
33
Digital-Input
putpull-up
VDD
RF hold control signal input terminal /Tilt servo detecting
sampling pulse input terminal
IDGATE
34
Digital-Input
putpull-up
VDD
ID select pulse input terminal
LO_ZB/SPDSH
35
Digital-Input
putpull-up
VDD
Low-z (reversal) pulse input terminal
/Pickup input sampling pulse input terminal